Slowness on /scratch Filesystem

We are actively investigating intermittent slowness on the shared /fs/scratch filesystem.

Rolling reboots across all OSC clusters beginning 11/05/2026

OSC systems staff will execute a rolling reboot across all active compute clusters (Pitzer, Ascend, and Cardinal) beginning Thursday, November 05.

Scratch filesystem is down

Category: 
filesystem
OnDemand
Resolution: 
Resolved

Updated on 2:30pm Feb 1st:

Scratch filesystem is back. OnDemand is also available now. 

Original Post:

Scratch filesystem is down now. Users can not access OSC OnDemand as well. Please use other methods to connect to OSC systems. We are working to fix this issue now and apologize for any inconvenience. Please contact OSC Help if you have any questions.